Battery pack



FIG. 1 is a perspective view of a battery pack, showing my new design;

FIG. 2 is a perspective view of the battery pack showing a mobile phone for illustrative purposes;

FIG. 3 is a front view of the battery pack;

FIG. 4 is a top view of the battery pack;

FIG. 5 is a bottom view of the battery pack;

FIG. 6 is a back view of the battery pack;

FIG. 7 is a first side view of the battery pack; and,

FIG. 8 is a second side view of the battery pack.

The broken line showing of environment is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a battery pack, as shown and described. 